| 摘要 |
PURPOSE:To additionally increase the adhesive power between elastic material layers and resin layers by calcining a resin material on the elastic material layers while maintaining the elastic material layers at the temp. lower than the temp. of the resin liquid coated thereon and heating the resin material at a high temp. at which said material can be calcined thereby forming the resin layers on the elastic materials. CONSTITUTION:The uncalcined fluoroplastic, for example, a dispersion perpd. by dispersing fluoroplastic powder in water by a surface active agent is coated on the surfaces of the elastic rotating bodies 1, 2 over the entire length of the elastic rotating bodies to a uniform thickness by a method such as spray painting, electrostatic painting or powder painting. While the elastic rotating bodies themselves are maintained under heating at the low temp. to obviate the generation of fuming and depolymn., the coating layers of the fluoroplastic are heated to the high-temp. state above the crystal m.p. thereof to form the film-like resin films 13, 23. The adhesive power between the elastic material layers and the resin layers is thereby improved. |
